Tobago is some 32 km (20 miles) north-east of Trinidad and bounded by the Atlantic Ocean on its eastern coast and the Caribbean Sea on the north and west. Tobago is of volcanic origin and is a single mountain mass rising to 576 m (1,890 ft). The coastline is broken by inlets and sheltered beaches. Several uninhabited islets and the Bucco Reef lie offshore. There's a seductive charm to this sleepy 'Robinson Crusoe' island, whose dense rainforest and rolling hills support much colourful plant and birdlife. From rustic little Plymouth it's a short drive to Pigeon Point for a glass-bottom boat journey to the amazing coral gardens of Buccoo Reef - or to Speyside, from where you can visit the famous Bird of Paradise sanctuary on Little Tobago island.